cap
A lid or cover for a container.
"I put the cap back on the bottle."
"The jar had a metal cap."
"Make sure to close the cap tightly."
A head covering, typically with a brim.
"He wore a baseball cap to shield his eyes from the sun."
"The nurse put on a surgical cap before entering the operating room."
"In winter, I like to wear a warm knitted cap."
To cover or seal something, especially a container.
"Please cap the pen to prevent it from drying out."
"They decided to cap the well to protect the environment."
"You should cap the tube of toothpaste after using it."
To set a limit or upper boundary on something.
"The company decided to cap bonuses this year."
"The government wants to cap the prices of essential goods."
"To prevent overcrowding, they will cap the number of attendees at the event."
To surpass or outdo someone or something.
"He aimed to cap his previous record in the next race."
"It's hard to cap that incredible performance we saw last month."
"She wants to cap her achievements this year with a big award."